The mam silk teat is symmetrical shaped and always fits perfectly in tiny mouths and feels completely familiar and easily accepted by babies with a proud 94 acceptance rate the shield design allows maximum airflow to reduce skin irritation and is curved for maximum comfort mam soothers come in three sizes ideal for healthy jaw and teeth development packed in a convenient steriliser box they can be sterilised in 3 minutes in the microwave without the need of a separate steriliser